Home / 55,576.81-76,695.28-31,703.88

Finding the Fourth Proportional to 55,576.81, 76,695.28 and 31,703.88

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Solution

The fourth proportional to 55,576.81, 76,695.28 and 31,703.88 is: 43,750.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,576.81 : 76,695.28 = 31,703.88 : x
  2. Step 2: Convert to fraction form
    55,576.81/76,695.28 = 31,703.88/x
  3. Step 3: Cross multiply
    55,576.81x = 76,695.28 × 31,703.88
  4. Step 4: Simplify right side
    55,576.81x = 2,431,537,874.43
  5. Step 5: Solve for x
    x = 2,431,537,874.43/55,576.81
  6. Step 6: Final answer
    x = 43,750.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.